From the liner notes

For years, Aaron Tyler (Johnathon Schaech, Quarantine, Prom Night) has been getting together with his three best friends on Monday nights to play poker. But tonight, everything is about to change forever when the men accidentally kill a burglar who's broken into Aaron's house. Fearing the consequences, Aaron and his friends dispose of the corpse and agree to take the secret to their graves. However, they soon discover that someone knows what they've done and is now playing a murderous game of revenge with them in this horrifying thriller. Based on the novel by Ed Gorman.